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Texas' largest electricity generator, is going big on battery power. Irving-based Luminant announced today it was awarded a $1 million state grant to build the state's largest battery and one of the largest in the nation.

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Irving-based Exxon Mobil misled investors for years about the company's financial risks from climate change regulations, according to a lawsuit filed today by New York Attorney General Barbara D. Underwood.

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This fall's constant rainfall has some people looking over their shoulders at the Lewisville Lake dam, which is upstream from downtown Dallas and hundreds of thousands of people. But officials say it's working as designed.